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Not really. You can draw file this. actually it would probably be easier to draw file this.

The point I was trying to make is that if you have all the geometry in order you should be able to...

You can probably clamp on the spine but you may need to shim under the bottom bevel to orient everything and keep it solid so it doesn't move while you are marking. Since you no longer have an...

Is your spine the same thickness all the way across at this point?

If so what I would do is clamp this to your marble surface in such a way that your spine touches all the way across. Hopefully,...

Maybe your grinder is specifically made to your specs and I'm cool with that.

However every belt grinder I have seen has had flat contact wheels. Mine on my 2x72 grinder are flat. The ones on my...

When I read his post it was my understanding that he was doing this on sandpaper resting a marble surface plate.

If the surface of your contact wheel has an arch to it you need a new contact...

Let me see if I can explain what is happening to you.

Look at the first photo. This wedge is (for the sake of argument) straight and parallel. The way you trying to grind, this type of blade can...

Your problem is that because your blade has an arch to it you are getting what basically amounts to a three point contact (at the spine on both ends and the belly or edge in the middle). Your method...